Caustic fusion analysis on a portion of drill core from the DK pipe in southwestern Wyoming has yielded one macrodiamond and one micro from 91.2 kg of kimberlitic diatreme.
Guardian Enterprises (VSE) reports that the macro measures 1.07 mm in diameter. The micro, which measures 0.13 mm, is believed to be a fragment of a larger diamond.
The company has completed a 6-hole program testing the DK pipe, and five of the holes intersected kimberlite. While further select drill core samples are being processed by the Saskatchewan Research Council, a separate bulk sample taken from near-surface exposure of the DK pipe and from an extensive dyke system is being processed by the Wyoming State Geological Survey.
The DK is an irregularly shaped intrusive measuring 400 by 700 ft. It is the first of 10 pipes to be tested and forms part of a nearly 5-mile-long structure. Surface sampling of another targeted pipe is reported to have discovered a macro measuring greater than 2 mm in one dimension.
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